📅  最后修改于: 2022-03-11 14:45:12.223000             🧑  作者: Mango
In [53]: l = [0,1,2,3]
In [54]: def to_matrix(l, n):
...: return [l[i:i+n] for i in xrange(0, len(l), n)]
In [55]: to_matrix(l,2)
Out[55]: [[0, 1], [2, 3]]